Marietta Auto Repair

If your car has ever refused to start on a freezing morning, the battery is likely to blame. Batteries often work fine during warmer months but struggle when the temperature drops. Cold weather doesn’t just slow your morning routine; it changes how your battery behaves and reduces how much power it can deliver. Many drivers are caught off guard by this issue every winter. A battery that seemed reliable in the fall may suddenly act up after a few frosty nights. The cold reveals any hidden weaknesses and accelerates failure in batteries that are already on their way out. How Cold Temperatures Affect Battery Power Car batteries rely on chemical reactions to generate electricity. As temperatures fall, those reactions slow down. When it’s 32°F, a typical battery may lose about 20 percent of its power. At 0°F, the loss can approach 50 percent. This drop in performance is made worse by thicker engine oil. Cold oil creates extra resistance, which makes ... read more

It can be frustrating to have your car fail a smog or emissions test even though it seems to run perfectly well. You start the engine, it idles smoothly, accelerates without hesitation, and doesn’t show any obvious problems, yet the results say otherwise. Smog checks not only assess how well your car drives, but also evaluate how cleanly it operates. That means a hidden issue with the emissions system can cause failure long before you notice any difference in performance. How Emissions Tests Work Modern vehicles are designed to burn fuel as completely and efficiently as possible. Smog tests check the level of pollutants that come out of the exhaust pipe. These include carbon monoxide, nitrogen oxides, and hydrocarbons. Even if your car drives normally, sensors, filters, and engine management systems could be malfunctioning in ways that increase these emissions. That’s why the test can uncover issues invisible during everyday driving. Common Reaso ... read more

When you're in the market for a pre-owned car, one of the first things you probably look at is the mileage. It's often viewed as a quick indicator of a vehicle's condition or lifespan. But is there really such a thing as “too many miles” on a used car? The answer isn’t always straightforward. While mileage does matter, it’s only one piece of the puzzle. What’s more important is how those miles were accumulated and how the vehicle was maintained over time. Let’s explore how mileage should factor into your decision-making, what to watch for when shopping for high-mileage cars, and how to determine whether a used vehicle is still a smart buy. Mileage vs. Maintenance: Which Matters More It’s easy to assume that lower mileage automatically means a better car, but that’s not always the case. A well-maintained vehicle with 120,000 miles might be in far better shape than a neglected one with only ... read more

Hearing a clunk every time your car goes over a bump can be both annoying and concerning. That sound isn’t just random and usually points to a worn or damaged part in your suspension or steering system. While the noise might seem minor at first, it can be a sign of an issue that will affect your ride quality, safety, and even tire wear if left unchecked. If you're wondering where that clunk is coming from and whether it's serious, here’s a breakdown of the most likely causes and what you should do next. Suspension Components Are Often the Culprit Your car’s suspension is designed to absorb shocks, keep the tires in contact with the road, and ensure a smooth ride. But over time, those parts can wear out or loosen. When they do, they may start making noises every time you drive over uneven pavement. Some of the most common suspension-related causes of clunking noises include: Worn ball joints: These connect the control arms to the steering ... read more

Buying a used car can be exciting—but it also comes with risks. While the vehicle might look great on the outside, hidden issues under the hood or frame could cost you thousands in unexpected repairs after the sale. That’s where a pre-purchase inspection comes in. It’s one of the smartest steps you can take before handing over your hard-earned money. Here’s why a professional inspection is more than just a good idea—it’s a financial safety net that helps you avoid surprises and make a confident purchase. What Is a Pre-Purchase Inspection A pre-purchase inspection (PPI) is a detailed evaluation of a vehicle’s condition, completed by a certified mechanic before a sale is finalized. It covers everything from the engine and transmission to the brakes, suspension, tires, fluids, and frame. Many inspections also include a scan of the car’s onboard computer systems to check for hidden fault codes. The goal is to uncover exis ... read more